Quote Originally Posted by DrByte View Post
Currency exchange rates maybe (in the store)? (eg: store is in USD but also offers GBP but the GBP exchange rate is "off" too far in the store's configuration, so it's calculating the wrong USD amount to submit to Square?)
if true, i would expect the following percentages to be much closer, unless of course, there is a fixed fee associated with the exchange:

$84.85 $79.85 $5.00 5.893%
$55.40 $53.93 $1.47 2.653%